EP0044103A1 - Apparat zum Verpacken von in einem kontinuierlichen Strom zugeführten Artikeln - Google Patents

Apparat zum Verpacken von in einem kontinuierlichen Strom zugeführten Artikeln Download PDF

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Publication number
EP0044103A1
EP0044103A1 EP81200727A EP81200727A EP0044103A1 EP 0044103 A1 EP0044103 A1 EP 0044103A1 EP 81200727 A EP81200727 A EP 81200727A EP 81200727 A EP81200727 A EP 81200727A EP 0044103 A1 EP0044103 A1 EP 0044103A1
Authority
EP
European Patent Office
Prior art keywords
crank arm
driving
articles
shaft
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP81200727A
Other languages
English (en)
French (fr)
Other versions
EP0044103B1 (de
Inventor
Johannes Dominicus Van Maanen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tevopharm Schiedam BV
Original Assignee
Tevopharm Schiedam BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tevopharm Schiedam BV filed Critical Tevopharm Schiedam BV
Publication of EP0044103A1 publication Critical patent/EP0044103A1/de
Application granted granted Critical
Publication of EP0044103B1 publication Critical patent/EP0044103B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
    • B29C66/82263—Follower pin or roller cooperating with a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/306—Counter-rotating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/02—Driving gear

Definitions

  • the invention relates to an apparatus for packing articles or bundles of articles, in which said articles are fed in a continuous flow in equally spaced apart relation and wrapped continuously by a web of packing material, comprising means for advancing the articles to be packed continuously in spaced apart relation, means for the continuous supply of a continuous web of packing material, means for wrapping said material around the articles, means for forming a longitudinal sealing seam and driving the wrap formed around the articles with a predetermined velocity, means for adhering the longitudinal sealing seam portions to each other and means for forming a transverse sealing seam between the articles and for severing it, said means for forming the transverse sealing seam being constituted by at least two rollers mounted for rotation and provided with at least one sealing jaw, said jaws being capable to grip the wrap of packing material between them in the opposing cooperating pcsition, whilst the rollers are in driving connection with each other and one of the rollers is connected to a driving shaft of the packing apparatus through a mechanism by which mechanism the rollers are rotated with a non-constant rotational velocity
  • a packing apparatus of said type the articles advanced in a continuous flow are wrapped continuously and the wrap with the articles disposed within it is passed with a predetermined velocity throught the sealing rollers for producing the transverse sealing seams between the articles.
  • the rotational velocity of the sealing rollers should be approximately ly equal to the velocity of the wrap, while at the moment of engagement said sealing jaws should be accurately positioned between said articles, so that the rotational velocity of the rollers should meet two conditions, ⁇ hat is difficult to realize with a constant rotational velocity. Therefore, between the driving shaft rotating with a constant velocity and the driven sealing roller a mechanism is provided by which the rollers rotate with a non-constant velocity.
  • said mechanism is formed by an epicycloid gear transmission having the disadvantage that during a rotation over 360 0 only once a deceleration and once an acceleration of the rotational velocity of the sealing rollers can be obtained, so that each of the sealing rollers can have only one sealing jaw.
  • the object of the invention is to provide a packing apparatus of the above-mentioned type having a mechanism between the driving shaft and the driven sealing roller, which during rotation over 360° permits several times for a deceleration and an acceleration of the rotational'velocity of the sealing rollers.
  • the mechanism comprises a crank arm which is connected for a rotational movement around a shaft extending perpendicular to the arm to a coupling member mounted for rotation around a shaft extending in spaced relation parallel to the rotational shaft of the crank arm and connected with the driving shaft, so that at rotation of the coupling member the axis of the rotation of the crank arm moves along a circular path with a constant velocity, while at the crank arm a driving cam is provided which is received shiftable in a slot formed in a follower member extending parallel to the crank arm and fixed to a shaft which is in driving connection with a sealing roller, the axis of said shaft extending perpendicular to the follower member in spaced apart relation with the driving cam, while said slot extends in radial direction with respect to said axis and the crank arm is provided with means by which every time the axis of rotation of the crank arm has moved along a complete circular path said arm is rotated at least one time over 360 around said axis.
  • the driving cam is preferably displacable in radial direction as to the axis of rotation of the crank arm.
  • crank arm is fixed to a stub axle received rotatable in.
  • Said coupling means can be fixed to a sleeve which is in driving connection with the driving shaft so that said sleeve is rotated around its axis, the shaft driving the sealing roller extending through the sleeve.
  • the sleeve can be journaled within the fixed gear rim.
  • a crank arm 1 is fixed to a stub axle 2 mounted for rotation in a coupling means 4 by means of roller bearings 3.
  • the coupling means 4 is clamped around a sleeve 5 which at its other end carries a'boss 6 which is connected with the driving disc 7 by means of the disc 8 fastened to the boss 6 by means of resiliently mounted bolts 9, while through the balls 10 disposed in recesses in the disc 8 the driving disc 7 is coupled with the disc 8 so thai at a too high resistance or overloading the balls 10 are withdrawn from the recesses, so that the disc 8 is pushed away and the driving disc 7 may rotate freely around the boss 6 of the sleeve, whilst by pushing away the disc 8 said disc may activate a microswitch not shown, by which the apparatus is stopped.
  • the crank arm 1 carries a driving cam 11 having the shape of a roller, said roller 11 being received shiftable in the slot 12 of the follower member 13.
  • the follower member 13 is provided around the shaft 14 extending through the sleeve 5 and directly connected to the shaft 15 of a sealing roller not shown.
  • a gear 16 is provided which is in.-meshing engagement with the gear 17 around the shaft 18 of the second dealing roller.
  • the position of the roller 11 with respect to the crank arm 1 is adjustable by means of the adjusting screw 19, whereas the roller 11 can be fixed in each position by means of the tap bolt 20.
  • a pinion 21 is fixed, said pinion being in meshing engagement with the gear rim 22 fastened firmly to the fixed frame 23.
  • the gear rim 22 has a portion 22' radially adjustable with respect to the remaining portion, said portion 22' being provided with slotted holes for the tap bolts 22". In this way tooth clearance can be eliminated.
  • the driving wheel 7 is driven by a driving shaft not shown through the toothed belt 24, by which through the boss 6, the sleeve 5 and the coupling means 4 the pivot axis of the crank arm 1, i.e. the axis of the stub axle 2 will move along a circular path with a constant velocity as shown in fig. 3, in which a number of positions of the axis of rotation at equal angular distances from each other are indicated by a,b,c .... v, w, x, y, z.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Basic Packing Technique (AREA)
EP81200727A 1980-07-10 1981-06-26 Apparat zum Verpacken von in einem kontinuierlichen Strom zugeführten Artikeln Expired EP0044103B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8003991A NL8003991A (nl) 1980-07-10 1980-07-10 Inrichting voor het verpakken van in een continue stroom toegevoerde voorwerpen.
NL8003991 1980-07-10

Publications (2)

Publication Number Publication Date
EP0044103A1 true EP0044103A1 (de) 1982-01-20
EP0044103B1 EP0044103B1 (de) 1984-01-18

Family

ID=19835602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81200727A Expired EP0044103B1 (de) 1980-07-10 1981-06-26 Apparat zum Verpacken von in einem kontinuierlichen Strom zugeführten Artikeln

Country Status (4)

Country Link
US (1) US4561237A (de)
EP (1) EP0044103B1 (de)
DE (1) DE3161959D1 (de)
NL (1) NL8003991A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3511511B2 (ja) * 2001-01-24 2004-03-29 三菱電機株式会社 ブラシ装置を有する過熱保護装置付スタータ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938318A (en) * 1956-05-25 1960-05-31 Aspro Nicholas Ltd Package fabricating machines
FR1256142A (fr) * 1960-02-23 1961-03-17 Hansella Werke Albert Henkel A Mécanisme pour la commande des cylindres de scellement de machines à emballer
US3485010A (en) * 1967-11-15 1969-12-23 Tabak & Ind Masch Device for driving package-forming jaws of a packing machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1175245A (fr) * 1956-05-25 1959-03-23 Aspro Nicholas Ltd Machine à fabriquer des emballages
DE1182498B (de) * 1961-05-20 1964-11-26 Olympia Werke Ag Stopp-Lagen-Kupplung fuer Ein-, Mehr- oder Teiltourenbetrieb
US3850780A (en) * 1971-08-23 1974-11-26 Fmc Corp Extended dwell heat sealer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938318A (en) * 1956-05-25 1960-05-31 Aspro Nicholas Ltd Package fabricating machines
FR1256142A (fr) * 1960-02-23 1961-03-17 Hansella Werke Albert Henkel A Mécanisme pour la commande des cylindres de scellement de machines à emballer
US3485010A (en) * 1967-11-15 1969-12-23 Tabak & Ind Masch Device for driving package-forming jaws of a packing machine

Also Published As

Publication number Publication date
EP0044103B1 (de) 1984-01-18
DE3161959D1 (en) 1984-02-23
NL8003991A (nl) 1982-02-01
US4561237A (en) 1985-12-31

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